Основной контент книги An epitome of astronomy
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Objętość 29 stron
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An epitome of astronomy
With the new discoveries including an account of the eídouraníon, or transparent orrery
autor
William Walker
O książce
This book revolves around several astronomy findings and innovation in the 18th and 19th century, with the most notable being an eidouranion. It is a kind of orrery that combined mechanical movement with a method of back projection, considered to be an ancestor of planetarium projectors.
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